JPH0237496U - - Google Patents

Info

Publication number
JPH0237496U
JPH0237496U JP1988115698U JP11569888U JPH0237496U JP H0237496 U JPH0237496 U JP H0237496U JP 1988115698 U JP1988115698 U JP 1988115698U JP 11569888 U JP11569888 U JP 11569888U JP H0237496 U JPH0237496 U JP H0237496U
Authority
JP
Japan
Prior art keywords
electrode
arc
control device
voltage
current
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1988115698U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988115698U priority Critical patent/JPH0237496U/ja
Publication of JPH0237496U publication Critical patent/JPH0237496U/ja
Pending legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

Landscapes

  • Discharge Heating (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案の一実施例を示す直流アーク
炉の機器接続図である。 ２……電極、３……サイリスタ、５……電極昇
降駆動装置、７……誘導電動機、８……サイリス
タ装置、１０……アーク電流検出器、１１……ア
ーク電圧検出器、１２……第１の電極制御装置、
２０……第２の電極制御装置、２１……アーク電
流設定器、２２……アーク電流制限器、２３……
位相制御回路、２４……アーク電圧設定器、２５
……アーク電圧制御回路、３０……切替スイツチ
。 FIG. 1 is an equipment connection diagram of a DC arc furnace showing an embodiment of this invention. 2... Electrode, 3... Thyristor, 5... Electrode lifting drive device, 7... Induction motor, 8... Thyristor device, 10... Arc current detector, 11... Arc voltage detector, 12... No. 1 electrode control device;
20... Second electrode control device, 21... Arc current setting device, 22... Arc current limiter, 23...
Phase control circuit, 24... Arc voltage setting device, 25
...Arc voltage control circuit, 30...Selector switch.

Claims (1)

【実用新案登録請求の範囲】 アーク電流とアーク電圧の比が一定値となるよ
うに電極の昇降を制御する第１の電極制御装置と
、 電極への給電用のサイリスタを位相制御してア
ーク電流を設定電流に維持するとともに、アーク
電圧を設定電圧に維持するように電極の昇降を制
御する第２の電極制御装置と、 前記第１の電極制御装置による制御と前記第２
の電極制御装置による制御を切替えるための切替
スイツチとを 具備したことを特徴とする直流アーク炉。[Claims for Utility Model Registration] A first electrode control device that controls the elevation of the electrode so that the ratio of arc current to arc voltage is constant; a second electrode control device that controls the raising and lowering of the electrode so as to maintain the arc voltage at the set current and the arc voltage at the set voltage;
A direct current arc furnace characterized by comprising a changeover switch for switching control by an electrode control device.
JP1988115698U 1988-09-01 1988-09-01 Pending JPH0237496U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988115698U JPH0237496U (en) 1988-09-01 1988-09-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988115698U JPH0237496U (en) 1988-09-01 1988-09-01

Publications (1)

Publication Number Publication Date
JPH0237496U true JPH0237496U (en) 1990-03-12

Family

ID=31357590

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988115698U Pending JPH0237496U (en) 1988-09-01 1988-09-01

Country Status (1)

Country Link
JP (1) JPH0237496U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04187376A (en) * 1990-11-19 1992-07-06 Takahiro Nitsuta Tig welding equipment for pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04187376A (en) * 1990-11-19 1992-07-06 Takahiro Nitsuta Tig welding equipment for pipe

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